Finding the Fourth Proportional to 957,380.19, 1,436,070.29 and 292,526.43
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Solution
The fourth proportional to 957,380.19, 1,436,070.29 and 292,526.43 is: 438,789.65
Step by Step Solution
- Step 1: Write the proportion equation
957,380.19 : 1,436,070.29 = 292,526.43 : x - Step 2: Convert to fraction form
957,380.19/1,436,070.29 = 292,526.43/x - Step 3: Cross multiply
957,380.19x = 1,436,070.29 × 292,526.43 - Step 4: Simplify right side
957,380.19x = 420,088,513,700.13 - Step 5: Solve for x
x = 420,088,513,700.13/957,380.19 - Step 6: Final answer
x = 438,789.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.